projects / extjs.git / blame
| Commit | Line | Data |
|---|---|---|
| 6527f429 DM |
1 | Ext.define('KitchenSink.view.IntersectionsComponent', {\r |
| 2 | extend: 'Ext.draw.Component',\r | |
| 3 | xtype: 'intersections-component',\r | |
| 4 | \r | |
| 5 | // Loading PathUtil is required to be able to hit test\r | |
| 6 | // and test for path intersections in sprites.\r | |
| 7 | requires: ['Ext.draw.PathUtil'],\r | |
| 8 | \r | |
| 9 | isDragging: false,\r | |
| 10 | startX: 0,\r | |
| 11 | startY: 0,\r | |
| 12 | translationX: 0,\r | |
| 13 | translationY: 0,\r | |
| 14 | target: null,\r | |
| 15 | \r | |
| 16 | listeners: {\r | |
| 17 | element: 'element',\r | |
| 18 | scope: 'this',\r | |
| 19 | mousedown: 'onMouseDown',\r | |
| 20 | mousemove: 'onMouseMove',\r | |
| 21 | mouseup: 'onMouseUp',\r | |
| 22 | mouseleave: 'onMouseUp'\r | |
| 23 | },\r | |
| 24 | \r | |
| 25 | findTarget: function (sprites, x, y) {\r | |
| 26 | var me = this,\r | |
| 27 | sprite,\r | |
| 28 | i, ln;\r | |
| 29 | \r | |
| 30 | if (me.target) {\r | |
| 31 | me.target.setAttributes({\r | |
| 32 | strokeStyle: 'black'\r | |
| 33 | });\r | |
| 34 | }\r | |
| 35 | for (i = 0, ln = sprites.length; i < ln; i++) {\r | |
| 36 | sprite = sprites[i];\r | |
| 37 | if (sprite.isPath && sprite.isPointInPath(x, y)) {\r | |
| 38 | me.target = sprite;\r | |
| 39 | return sprite;\r | |
| 40 | }\r | |
| 41 | }\r | |
| 42 | },\r | |
| 43 | \r | |
| 44 | onMouseDown: function (e) {\r | |
| 45 | var me = this,\r | |
| 46 | surface = me.getSurface(),\r | |
| 47 | sprites = surface.getItems(),\r | |
| 48 | xy = surface.getEventXY(e),\r | |
| 49 | x = xy[0],\r | |
| 50 | y = xy[1],\r | |
| 51 | target;\r | |
| 52 | \r | |
| 53 | target = me.findTarget(sprites, x, y);\r | |
| 54 | \r | |
| 55 | if (target) {\r | |
| 56 | target.setAttributes({\r | |
| 57 | strokeStyle: 'red'\r | |
| 58 | });\r | |
| 59 | me.isDragging = true;\r | |
| 60 | me.startX = x;\r | |
| 61 | me.startY = y;\r | |
| 62 | me.translationX = target.attr.translationX;\r | |
| 63 | me.translationY = target.attr.translationY;\r | |
| 64 | }\r | |
| 65 | },\r | |
| 66 | \r | |
| 67 | onMouseMove: function (e) {\r | |
| 68 | var me = this,\r | |
| 69 | surface = me.getSurface(),\r | |
| 70 | sprites = surface.getItems(),\r | |
| 71 | xy = surface.getEventXY(e),\r | |
| 72 | intersections = [],\r | |
| 73 | x = xy[0],\r | |
| 74 | y = xy[1],\r | |
| 75 | deltaX, deltaY,\r | |
| 76 | sprite, target,\r | |
| 77 | points,\r | |
| 78 | i, ln;\r | |
| 79 | \r | |
| 80 | if (me.isDragging) {\r | |
| 81 | deltaX = x - me.startX;\r | |
| 82 | deltaY = y - me.startY;\r | |
| 83 | me.target.setAttributes({\r | |
| 84 | translationX: me.translationX + deltaX,\r | |
| 85 | translationY: me.translationY + deltaY\r | |
| 86 | });\r | |
| 87 | for (i = 0, ln = sprites.length; i < ln; i++) {\r | |
| 88 | sprite = sprites[i];\r | |
| 89 | if (sprite !== me.target) {\r | |
| 90 | points = me.target.getIntersections(sprite);\r | |
| 91 | intersections.push.apply(intersections, points);\r | |
| 92 | }\r | |
| 93 | }\r | |
| 94 | me.showIntersections(intersections);\r | |
| 95 | } else {\r | |
| 96 | target = me.findTarget(sprites, x, y);\r | |
| 97 | if (target) {\r | |
| 98 | target.setAttributes({\r | |
| 99 | strokeStyle: 'red'\r | |
| 100 | });\r | |
| 101 | }\r | |
| 102 | }\r | |
| 103 | surface.renderFrame();\r | |
| 104 | },\r | |
| 105 | \r | |
| 106 | onMouseUp: function (e) {\r | |
| 107 | var me = this,\r | |
| 108 | surface = me.getSurface();\r | |
| 109 | \r | |
| 110 | me.isDragging = false;\r | |
| 111 | me.dots.clearAll();\r | |
| 112 | surface.renderFrame();\r | |
| 113 | },\r | |
| 114 | \r | |
| 115 | showIntersections: function (intersections) {\r | |
| 116 | var me = this,\r | |
| 117 | i, ln, point;\r | |
| 118 | me.dots.clearAll();\r | |
| 119 | for (i = 0, ln = intersections.length; i < ln; i++) {\r | |
| 120 | point = intersections[i];\r | |
| 121 | me.dots.createInstance({\r | |
| 122 | cx: point[0],\r | |
| 123 | cy: point[1]\r | |
| 124 | });\r | |
| 125 | }\r | |
| 126 | },\r | |
| 127 | \r | |
| 128 | initComponent: function () {\r | |
| 129 | var me = this,\r | |
| 130 | surface = me.getSurface();\r | |
| 131 | me.callParent(arguments);\r | |
| 132 | me.dots = Ext.create('Ext.draw.sprite.Instancing', {\r | |
| 133 | template: {\r | |
| 134 | type: 'circle',\r | |
| 135 | radius: 5,\r | |
| 136 | fillStyle: 'black'\r | |
| 137 | }\r | |
| 138 | });\r | |
| 139 | surface.add(me.dots);\r | |
| 140 | }\r | |
| 141 | \r | |
| 142 | }); |